City of Seattle • WA • opengov

Washington Park Arboretum Waterfront Trail Renovation

Posted Dec 17, 2025Closes Feb 25, 2026Status: currentSolicitation (Attach a Document) - Construction

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Summary

Project Description: The project renovates a portion of the Waterfront Trail within the Washington Park Arboretum. The scope includes replacing and/or renovating the existing floating and on grade trail segments on Foster Island including site furnishing and plantings. Additive #1 is additional trail construction including construction of a 29 linear foot gangway, a 97 linear foot bridge, and two pile supported concrete platforms. Additive #2 is the construction of an on- grade HDPE pipe supported boardwalk.Engineer's Estimate: Base Bid: $960,000.00, Additive#1: $510,000.00, Additive#2: $1,271,445.00 Project Location: 2300 Arboretum Dr E, Seattle, WA 98112

Full description

Project Description: The project renovates a portion of the Waterfront Trail within the Washington Park Arboretum. The scope includes replacing and/or renovating the existing floating and on grade trail segments on Foster Island including site furnishing and plantings. Additive #1 is additional trail construction including construction of a 29 linear foot gangway, a 97 linear foot bridge, and two pile supported concrete platforms. Additive #2 is the construction of an on- grade HDPE pipe supported boardwalk.Engineer's Estimate: Base Bid: $960,000.00, Additive#1: $510,000.00, Additive#2: $1,271,445.00 Project Location: 2300 Arboretum Dr E, Seattle, WA 98112

Attachments

Contact

Email:
farhat.kohistani@seattle.gov
Phone:
(253)308-6228
Title:
Assistant, Capital Projects Coord.
Address:
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